Find an approximate value for the integral, using the trapezoidal rule with n intervals. Round the answer to the nearest tenth if necessary.
, n = 2
A. 66
B. 110
C. 99
D. 55
Answer: A
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Perform the indicated operations.4 ? (-26) + 22 ? (-21)
A. -1722 B. -566 C. -336 D. 1722
Find the indicated sum.
+ 1 + 
+ . . . + 11
A. 
B. 
C. 
D. 75
Solve.From a 38-inch by 38-inch piece of metal, squares are cut out of the four corners so that the sides can then be folded up to make a box. Let x represent the length of the sides of the squares, in inches, that are cut out. Express the volume of the box as a function of x.
A. V(x) = 4x3 - 152x2 + 1444x B. V(x) = 4x3 - 152x2 C. V(x) = 2x3 - 114x2 D. V(x) = 2x3 - 114x2 + 38x
Solve. Round answers to the nearest cent.An automobile dealership recently reduced the price of a used sports car by 13%. If the price of the car was $21,300.00, find the discount.
A. $18,531.00 B. $276.90 C. $21,023.10 D. $2769.00